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feature of Venice

The
Campanile, separated from the church, was originally begun under the doge Pietro Tribuno (died 912). It was adapted into its present familiar form early in the 16th century. In 1902 it collapsed, but by 1912 it had been rebuilt on its original site.

The
Campanile, the massive 324-foot (99-metre) bell tower of the basilica, is a free-standing, slightly rectangular structure sheathed in Venetian red-clay brick. Soaring above the pinnacles of San Marco, it dominates the townscape and is visible for miles across the lagoon. In 1902 it collapsed, making a fortune for the photographer who captured the event. The city council decided immediately...

history of campanile structure

...had one or two rows of arcading, was often made of stone, although the rest of the tower was brick. Above the belfry cornice rose the spire, sometimes square, as in the famous 324-foot (99-metre) campanile in St. Mark’s Square in Venice (lower portion 10th and 12th centuries, belfry story 1510, the whole rebuilt after its collapse in 1902).